Prepare clear and well-labelled diagrams of the following

i) Clamp connection formation in Basidiomycetes.

ii) V.S. thallus through a gemma cup in Marchantia.

iii) T.S. needle of Pinus.

iv) L.S. microsporangium of Selaginella.

Here are clear descriptions of the diagrams for each item you requested:

i) Clamp connection formation in Basidiomycetes:

• Diagram: The diagram should show the formation of a clamp connection in Basidiomycetes, which occurs in the dikaryotic phase of their life cycle. It involves two nuclei in a cell. A clamp connection is formed when a cell divides asymmetrically, ______ _________ _____ _________ __________ ________.
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